allow - as input file
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@ -34,7 +34,10 @@ main(int argc, char **argv)
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exits("usage");
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exits("usage");
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}
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}
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fd = open(argv[1], OREAD);
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if(strcmp(argv[1], "-") == 0)
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fd = 1;
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else
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fd = open(argv[1], OREAD);
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if(fd < 0){
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if(fd < 0){
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fprint(2, "%s: can't open %s: %r\n", argv0, argv[1]);
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fprint(2, "%s: can't open %s: %r\n", argv0, argv[1]);
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exits("open");
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exits("open");
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